Paul O'Neill ranks among the honorees in Monument Park, with his plaque joining other Yankees greats in August, 2014. While his #21 is not officially retired, it hasn't been issued since 2008. Commemorate Paulie with this authentic No. 21 jersey that will never go out of style.

Paul O'Neill spent nine seasons with the Yankees, winning four World Series Championships and appearing in four All-Star Games. His plaque now resides in Monument Park. No. 21 will never go out of style.